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-rw-r--r--lib/sh/vprint.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/lib/sh/vprint.c b/lib/sh/vprint.c
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index 0000000..567fba3
--- /dev/null
+++ b/lib/sh/vprint.c
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+/* vprint.c -- v[fs]printf() for 4.[23] BSD systems. */
+
+/* Copyright (C) 1987,1989 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#if defined (USE_VFPRINTF_EMULATION)
+
+#include <stdio.h>
+
+#if !defined (NULL)
+# if defined (__STDC__)
+# define NULL ((void *)0)
+# else
+# define NULL 0x0
+# endif /* __STDC__ */
+#endif /* !NULL */
+
+/*
+ * Beware! Don't trust the value returned by either of these functions; it
+ * seems that pre-4.3-tahoe implementations of _doprnt () return the first
+ * argument, i.e. a char *.
+ */
+#include <varargs.h>
+
+int
+vfprintf (iop, fmt, ap)
+ FILE *iop;
+ char *fmt;
+ va_list ap;
+{
+ int len;
+ char localbuf[BUFSIZ];
+
+ if (iop->_flag & _IONBF)
+ {
+ iop->_flag &= ~_IONBF;
+ iop->_ptr = iop->_base = localbuf;
+ len = _doprnt (fmt, ap, iop);
+ (void) fflush (iop);
+ iop->_flag |= _IONBF;
+ iop->_base = NULL;
+ iop->_bufsiz = 0;
+ iop->_cnt = 0;
+ }
+ else
+ len = _doprnt (fmt, ap, iop);
+ return (ferror (iop) ? EOF : len);
+}
+
+/*
+ * Ditto for vsprintf
+ */
+int
+vsprintf (str, fmt, ap)
+ char *str, *fmt;
+ va_list ap;
+{
+ FILE f;
+ int len;
+
+ f._flag = _IOWRT|_IOSTRG;
+ f._ptr = str;
+ f._cnt = 32767;
+ len = _doprnt (fmt, ap, &f);
+ *f._ptr = 0;
+ return (len);
+}
+#endif /* USE_VFPRINTF_EMULATION */